On June 30, 1999, the body of 41-year-old Ricky McCormick was discovered in a field in St. Louis, Missouri. The only clues found at the crime scene were two encrypted notes discovered in the victim's pants pockets. But expert cryptanalysts have failed crack to the killer's code and thus the murder has yet to be solved.

Photo credit: FBI

Can you decode the newly-released notes above and help the FBI solve this real-life murder mystery?